CaratHunter
Plans
Heart|Natural|GIA

3.12ct F SI2 Heart Natural Diamond

EX • F/SI2 • GIA 2235818298

Certificate GIA 2235818298

Diamond specifications and retailer prices

From HK$205,983 HKD
$26,282 USD
As of November 5, 2026
2 retailers carry this diamond
Most expensive: HK$205,983 HKD at Blue Nile
View at Blue Nile

About this 3.12ct natural heart diamond

This 3.12ct natural heart sits in the three to five carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2235818298. Listed at 2 retailers as of November 5, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.12
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.63°
Pavilion angle41.73°
OriginNatural
Grading LabGIA
CertificateGIA 2235818298
Dimensions8.99 × 10.13 × 5.96 mm
L/W Ratio1.13
Girdle conditionVery Thick
Key to symbols
Crystal, Feather, Needle
Top View
8.99 mm10.13 mm3.12 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235818298
Side View
Table 63.0%Crown 39.63°Girdle: STK-VTKPavilion 41.73°Culet: NoneDepth 58.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: HK$205,983 HKD|Low: HK$179,759 HKD|High: HK$228,499 HKD|Avg: HK$204,612 HKD|-0.3%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 2HK$179,759 HKD
Retailer 4HK$183,513 HKD
Blue NileHK$205,983 HKD
Retailer 3HK$217,841 HKD
Retailer 5HK$228,499 HKD

4 data points across 5 retailers

2 retailers

Retailer 1
-
HK$179,759 HKD
Price last confirmed 22 days ago
Most Expensive
B+
Blue Nile
28120657 · Nov 5
HK$205,983 HKD
$26,282 USD
View
1 more retailer has this diamond

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
3.12ct Heart
HK$205,983 HKD